Modify support for USB mode fixup: - Add support for fetching USB mode and phy type via hwconfig - Add common support for USB mode and phy type device tree fix-up for all USB controllers mentioned in hwconfig string - Add USB2 controller offset
Signed-off-by: Ramneek Mehresh ramneek.mehresh@freescale.com --- Applies on git://git.am.freescale.net/mirrors/u-boot (branch next) arch/powerpc/cpu/mpc8xxx/fdt.c | 84 ++++++++++++++++++++++++++------- arch/powerpc/include/asm/immap_85xx.h | 3 +- include/fdt_support.h | 6 ++- 3 files changed, 74 insertions(+), 19 deletions(-)
diff --git a/arch/powerpc/cpu/mpc8xxx/fdt.c b/arch/powerpc/cpu/mpc8xxx/fdt.c index 54e60bb..3744205 100644 --- a/arch/powerpc/cpu/mpc8xxx/fdt.c +++ b/arch/powerpc/cpu/mpc8xxx/fdt.c @@ -1,5 +1,5 @@ /* - * Copyright 2009-2010 Freescale Semiconductor, Inc. + * Copyright 2009-2011 Freescale Semiconductor, Inc. * * This file is derived from arch/powerpc/cpu/mpc85xx/cpu.c and * arch/powerpc/cpu/mpc86xx/cpu.c. Basically this file contains @@ -28,6 +28,8 @@ #include <fdt_support.h> #include <asm/mp.h> #include <asm/fsl_enet.h> +#include <hwconfig.h> +#include <usb.h>
#if defined(CONFIG_MP) && (defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx)) static int ft_del_cpuhandle(void *blob, int cpuhandle) @@ -83,25 +85,21 @@ void ft_fixup_num_cores(void *blob) { #endif /* defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx) */
#ifdef CONFIG_HAS_FSL_DR_USB -void fdt_fixup_dr_usb(void *blob, bd_t *bd) +static void fdt_fixup_usb_mode_phy_type(void *blob, const char *mode, + const char *phy_type) { - char *mode; - char *type; const char *compat = "fsl-usb2-dr"; const char *prop_mode = "dr_mode"; const char *prop_type = "phy_type"; - int node_offset; - int err; + static int start_offset = -1; + int err, node_offset;
- mode = getenv("usb_dr_mode"); - type = getenv("usb_phy_type"); - if (!mode && !type) - return; - - node_offset = fdt_node_offset_by_compatible(blob, 0, compat); + node_offset = fdt_node_offset_by_compatible(blob, + start_offset, compat); if (node_offset < 0) { - printf("WARNING: could not find compatible node %s: %s.\n", - compat, fdt_strerror(node_offset)); + printf("WARNING: could not find compatible" + "node %s: %s.\n", compat, + fdt_strerror(node_offset)); return; }
@@ -113,13 +111,65 @@ void fdt_fixup_dr_usb(void *blob, bd_t *bd) prop_mode, compat, fdt_strerror(err)); }
- if (type) { - err = fdt_setprop(blob, node_offset, prop_type, type, - strlen(type) + 1); + if (phy_type) { + err = fdt_setprop(blob, node_offset, prop_type, phy_type, + strlen(phy_type) + 1); if (err < 0) printf("WARNING: could not set %s for %s: %s.\n", prop_type, compat, fdt_strerror(err)); } + + start_offset = node_offset; +} + +void fdt_fixup_dr_usb(void *blob, bd_t *bd) +{ + const char *modes[] = { "host", "peripheral", "otg" }; + const char *phys[] = { "ulpi", "umti" }; + const char *phy_type = NULL; + char usb1_defined = 0; + const char *mode = NULL; + int node_offset; + char str[5]; + int err, i, j; + + for (i = 1; i <= USB_MAX_DEVICE; i++) { + int mode_idx = -1, phy_idx = -1; + sprintf(str, "%s%d", "usb", i); + if (hwconfig(str)) { + for (j = 0; j < sizeof(modes); j++) { + if (hwconfig_subarg_cmp(str, "dr_mode", + modes[j])) { + mode_idx = j; + break; + } + } + for (j = 0; j < sizeof(phys); j++) { + if (hwconfig_subarg_cmp(str, "phy_type", + phys[j])) { + phy_idx = j; + break; + } + } + if ((mode_idx >= 0) || (phy_idx >= 0)) { + fdt_fixup_usb_mode_phy_type(blob, + modes[mode_idx], phys[phy_idx]); + if (!strcmp(str, "usb1")) + usb1_defined = 1; + } else { + printf("WARNING: invalid phy or mode\n"); + } + } else { + break; + } + } + if (!usb1_defined) { + mode = getenv("usb_dr_mode"); + phy_type = getenv("usb_phy_type"); + if (!mode && !phy_type) + return; + fdt_fixup_usb_mode_phy_type(blob, mode, phy_type); + } } #endif /* CONFIG_HAS_FSL_DR_USB */
diff --git a/arch/powerpc/include/asm/immap_85xx.h b/arch/powerpc/include/asm/immap_85xx.h index 30c64eb..1d67471 100644 --- a/arch/powerpc/include/asm/immap_85xx.h +++ b/arch/powerpc/include/asm/immap_85xx.h @@ -1,7 +1,7 @@ /* * MPC85xx Internal Memory Map * - * Copyright 2007-2010 Freescale Semiconductor, Inc. + * Copyright 2007-2011 Freescale Semiconductor, Inc. * * Copyright(c) 2002,2003 Motorola Inc. * Xianghua Xiao (x.xiao@motorola.com) @@ -2245,6 +2245,7 @@ typedef struct ccsr_pme { #define CONFIG_SYS_MPC85xx_L2_OFFSET 0x20000 #define CONFIG_SYS_MPC85xx_DMA_OFFSET 0x21000 #define CONFIG_SYS_MPC85xx_USB_OFFSET 0x22000 +#define CONFIG_SYS_MPC85xx_USB2_OFFSET 0x23000 #ifdef CONFIG_TSECV2 #define CONFIG_SYS_TSEC1_OFFSET 0xB0000 #else diff --git a/include/fdt_support.h b/include/fdt_support.h index ce6817b..9bde6c5 100644 --- a/include/fdt_support.h +++ b/include/fdt_support.h @@ -1,5 +1,5 @@ /* - * (C) Copyright 2007 + * (C) Copyright 2011 * Gerald Van Baren, Custom IDEAS, vanbaren@cideas.com * * See file CREDITS for list of people who contributed to this @@ -56,8 +56,12 @@ void fdt_fixup_qe_firmware(void *fdt);
#ifdef CONFIG_HAS_FSL_DR_USB void fdt_fixup_dr_usb(void *blob, bd_t *bd); +void fdt_fixup_usb_mode_phy_type(void *blob, int node_offset, + const char *mode, const char *phy_type); #else static inline void fdt_fixup_dr_usb(void *blob, bd_t *bd) {} +static inline void fdt_fixup_usb_mode_phy_type(void *blob, int node_offset, + const char *mode, const char *phy_type) {} #endif /* CONFIG_HAS_FSL_DR_USB */
#if defined(CONFIG_SYS_FSL_SEC_COMPAT)